102003330221 has 8 divisors (see below), whose sum is σ = 110857537560. Its totient is φ = 93293093952.

The previous prime is 102003330211. The next prime is 102003330229. The reversal of 102003330221 is 122033300201.

It can be written as a sum of positive squares in 4 ways, for example, as 5601774025 + 96401556196 = 74845^2 + 310486^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102003330221 - 2¹⁸ = 102003068077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102003330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102003330229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35991290 + ... + 35994123.

It is an arithmetic number, because the mean of its divisors is an integer number (13857192195).

Almost surely, 2^102003330221 is an apocalyptic number.

It is an amenable number.

102003330221 is a deficient number, since it is larger than the sum of its proper divisors (8854207339).

102003330221 is a wasteful number, since it uses less digits than its factorization.

102003330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71985535.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 102003330221 its reverse (122033300201), we get a palindrome (224036630422).

The spelling of 102003330221 in words is "one hundred two billion, three million, three hundred thirty thousand, two hundred twenty-one".